DE69029743D1 - Pll-frequenzsynthesierer mit hartem begrenzer gesteuert durch einen direkten digital-synthesierer - Google Patents

Pll-frequenzsynthesierer mit hartem begrenzer gesteuert durch einen direkten digital-synthesierer

Info

Publication number
DE69029743D1
DE69029743D1 DE69029743T DE69029743T DE69029743D1 DE 69029743 D1 DE69029743 D1 DE 69029743D1 DE 69029743 T DE69029743 T DE 69029743T DE 69029743 T DE69029743 T DE 69029743T DE 69029743 D1 DE69029743 D1 DE 69029743D1
Authority
DE
Germany
Prior art keywords
frequency
dds
signal
phase lock
lock loop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69029743T
Other languages
English (en)
Other versions
DE69029743T2 (de
Inventor
Robert Gilmore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23996340&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69029743(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE69029743D1 publication Critical patent/DE69029743D1/de
Application granted granted Critical
Publication of DE69029743T2 publication Critical patent/DE69029743T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/1806—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop the frequency divider comprising a phase accumulator generating the frequency divided signal

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE69029743T 1990-03-29 1990-10-22 Pll-frequenzsynthesierer mit hartem begrenzer gesteuert durch einen direkten digital-synthesierer Expired - Lifetime DE69029743T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/502,101 US5028887A (en) 1989-08-31 1990-03-29 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter
PCT/US1990/006058 WO1991015056A1 (en) 1990-03-29 1990-10-22 Direct digital synthesizer driven phase lock loop frequency synthesizer with hard limiter

Publications (2)

Publication Number Publication Date
DE69029743D1 true DE69029743D1 (de) 1997-02-27
DE69029743T2 DE69029743T2 (de) 1997-08-07

Family

ID=23996340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029743T Expired - Lifetime DE69029743T2 (de) 1990-03-29 1990-10-22 Pll-frequenzsynthesierer mit hartem begrenzer gesteuert durch einen direkten digital-synthesierer

Country Status (12)

Country Link
US (1) US5028887A (de)
EP (1) EP0521859B1 (de)
JP (1) JPH05507818A (de)
KR (1) KR100236891B1 (de)
AT (1) ATE147905T1 (de)
AU (1) AU657261B2 (de)
CA (1) CA2079320C (de)
DE (1) DE69029743T2 (de)
DK (1) DK0521859T3 (de)
ES (1) ES2095932T3 (de)
GR (1) GR3022817T3 (de)
WO (1) WO1991015056A1 (de)

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US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
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CN112087230A (zh) * 2020-09-17 2020-12-15 中国科学院空天信息创新研究院 宽带线性调频信号发生装置及方法
CN115085818B (zh) * 2022-06-10 2024-02-09 中国科学院精密测量科学与技术创新研究院 一种用于激光器调制的零谐波宽频可调输出的射频信号源
CN115425967B (zh) * 2022-08-31 2023-11-14 北京北方华创微电子装备有限公司 相位同步装置和方法、射频电源、半导体工艺设备

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Also Published As

Publication number Publication date
ATE147905T1 (de) 1997-02-15
EP0521859A1 (de) 1993-01-13
AU7077391A (en) 1991-10-21
DE69029743T2 (de) 1997-08-07
KR100236891B1 (ko) 2000-01-15
CA2079320A1 (en) 1991-09-30
JPH05507818A (ja) 1993-11-04
AU657261B2 (en) 1995-03-09
ES2095932T3 (es) 1997-03-01
WO1991015056A1 (en) 1991-10-03
GR3022817T3 (en) 1997-06-30
EP0521859B1 (de) 1997-01-15
CA2079320C (en) 2000-09-19
EP0521859A4 (en) 1993-06-09
US5028887A (en) 1991-07-02
DK0521859T3 (da) 1997-02-03

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Legal Events

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8363 Opposition against the patent